BANGOR – Police in Bangor say 37-year-old Justin Hill stabbed a Northern Light ambulance crew member early Sunday morning.  Police were called to the Circle K convenience store on Odlin Road in Bangor at about 2:30 am Sunday where they found Hill being restrained on the ground by a person who witnessed the incident.  The victim was transported to a local hospital for cuts to his head and hand and Hill was taken to the Penobscot County Jail charged with Aggravated Assault.  The victim told police Hill was a stranger and did not know the motivation for the assault.